Hirobyl is a planet located in Dimension Z existing in IDW continuity, first appearing in The Armageddon Game: Opening Moves #2.
History[]
Null and Noi Tai Dar hunted for Cherubae on Hirobyl, attempting to recover the Turnstone. They sicced the Verminator Z to track her down, eventually succeeding and capturing her in an energy net. Null informed her that the Four Winds had already been captured and they were fit to put her in a cage as well. However, at that point, the help Cherubae beseeched, Cudley appeared and spirited her away.